{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Our results provide evidence that the AAP - induced hepatitis and its exacerbation by ethanol can either be reduced by end - product inhibition of PARP by NAA or by dietary depletion of the enzyme ' s substrate NAD ."}
{"Disease": ["hepatitis"], "Chemical": ["AAP", "ethanol", "NAA", "NAD"]}